Image for a portion of a display screen



FIG. 1 is a front view of a image for a portion of a display screen showing our new design; and,

FIG. 2 is a front view of a image for a portion of a display screen showing an alternative embodiment of our new design.

The broken line showing of the interior regions and the areas there within form no part of the claimed design. The broken line on the right side forms an unclaimed boundary of the design. The broken line showing of the portions of the display screen are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a image for a portion of a display screen, as shown and described. 